Greenstone Partners & Co., LLC reported 8 positions worth $432.60M for the quarter ended Jun 30, 2026, up 9.5% on the prior quarter. It opened 0 new positions, added to 5, trimmed 0 and exited 1. Its largest holding is AppLovin Corp at 23.3% of the portfolio.
Reported 13F market value at each quarter end. A change mixes trading with price moves in the positions held.
Dollar value of shares bought and sold each quarter, at that quarter’s price. It counts trading only, not price changes.
How many positions were opened, added to, trimmed or closed each quarter.
Share of reported value in each sector at every quarter end.
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| GWRE Guidewire Software, Inc. | +265 | +0.1% | $32.61K | 11.51% |
| SGI Somnigroup International Inc. | +280 | +0.0% | $21.95K | 10.31% |
| APPF Appfolio Inc | +120 | +0.0% | $19.24K | 10.14% |
| PCOR Procore Technologies, Inc. | +390 | +0.1% | $15.84K | 6.32% |
| CHTR Charter Communications, Inc. | +9 | +0.0% | $1.28K | 5.73% |
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| XPO XPO, Inc. | -27.7K | -100.0% | $5.39M | Exited |
No new positions this quarter.
| Holding | Shares Sold | Trade Value | Prior Weight |
|---|---|---|---|
| XPO XPO, Inc. | -27.7K | $5.39M | 1.36% |
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | APP AppLovin Corp | Technology | 195.3K | $100.60M | 23.25% | 0 | 0.0% | Unchanged | 0.06% |
| 2 | VSTS Vestis Corp | Industrials | 5.09M | $73.97M | 17.1% | 0 | 0.0% | Unchanged | 3.86% |
| 3 | AYI Acuity Inc. (De) | Industrials | 179.7K | $67.69M | 15.65% | 0 | 0.0% | Unchanged | 0.59% |
| 4 | GWRE Guidewire Software, Inc. | Technology | 404.6K | $49.78M | 11.51% | +265 | +0.1% | Added | 0.48% |
| 5 | SGI Somnigroup International Inc. | Consumer Discretionary | 568.6K | $44.58M | 10.31% | +280 | +0.0% | Added | 0.27% |
| 6 | APPF Appfolio Inc | Technology | 273.6K | $43.87M | 10.14% | +120 | +0.0% | Added | 0.77% |
| 7 | PCOR Procore Technologies, Inc. | Technology | 672.8K | $27.33M | 6.32% | +390 | +0.1% | Added | 0.44% |
| 8 | CHTR Charter Communications, Inc. | Communication Services | 174.2K | $24.77M | 5.73% | +9 | +0.0% | Added | 0.14% |
Tip. Select a row to see that position’s full history at Greenstone Partners.
As of its Q2 2026 13F filing, Greenstone Partners & Co., LLC’s five largest positions were AppLovin Corp (APP) at 23.3%, Vestis Corp (VSTS) at 17.1%, Acuity Inc. (De) (AYI) at 15.6%, Guidewire Software, Inc. (GWRE) at 11.5%, Somnigroup International Inc. (SGI) at 10.3% of the reported portfolio.
Greenstone Partners & Co., LLC reported a 13F portfolio worth $432.60M across 8 positions for Q2 2026. That is up 9.5% from the previous quarter.
Its largest purchases by value were Guidewire Software, Inc. ($32.61K), Somnigroup International Inc. ($21.95K), Appfolio Inc ($19.24K). It opened 0 new positions.
Its largest sales by value were XPO, Inc. ($5.39M). It exited 1 positions entirely.
From the Form 13F-HR reports Greenstone Partners & Co., LLC files with the SEC each quarter, within 45 days of quarter end. A 13F lists long positions in US-listed equities and options; it excludes short positions, cash, bonds and most non-US holdings.
13F data reflects long positions in US-listed equities and options as reported to the SEC up to 45 days after quarter end. It excludes short positions, cash, bonds and most non-US securities, so it is not a complete picture of a manager’s assets.